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Finding the Fourth Proportional to 164,593.20, 246,897.90 and 85,861.20

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Solution

The fourth proportional to 164,593.20, 246,897.90 and 85,861.20 is: 128,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,593.20 : 246,897.90 = 85,861.20 : x
  2. Step 2: Convert to fraction form
    164,593.20/246,897.90 = 85,861.20/x
  3. Step 3: Cross multiply
    164,593.20x = 246,897.90 × 85,861.20
  4. Step 4: Simplify right side
    164,593.20x = 21,198,949,971.48
  5. Step 5: Solve for x
    x = 21,198,949,971.48/164,593.20
  6. Step 6: Final answer
    x = 128,796.03

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